Luận văn thạc sĩ Quản lý xây dựng: Nhận định những rủi ro chính khi thi công nhà cao tầng trong giai đoạn ngầm

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ABSTRACT

The study focuses on the factors affecting the effective construction of diaphragm walls,retaining walls, management work related to the design, construction of reinforced concrete, the work of finishing diaphragm walls

In order to successfully implement the project, the investor, contractors and related parties must do a good job of assessing the causes affecting the quality of the diaphragm wall and earth retaining wall and do it early from the beginning of the project

Currently, the projects of office buildings and apartments for rent are all built with basements, the purpose is to increase the usable area on the same construction area due to the increasingly limited land area and the basement

to meet many jobs other usability The diaphragm wall construction method is one of the most commonly applied methods in high-rise buildings and basements The diaphragm wall has the function of waterproofing and stabilizing the structure of the building, but the construction of the diaphragm wall is quite complicated and contains many potential impacts that cause great consequences

The thesis presents the concepts, theories, management processes when constructing diaphragm walls, retaining walls, student use the tools and theories learned to present methods to evaluate the influence of factors together to serve as documents for the investor, project management board, supervision consultant, reference and take measures to prevent and avoid possible harms when implementing the project

In order to identify the factors that the effective construction of diaphragm walls,retaining walls in construction projects, a survey including 37 factors used to collect data from experience and certain knowledge people regarding the effective construction of diaphragm walls,retaining walls in construction There are 165 valid responses used in statistical analyses Multiple used include: mean method, Spearman rank correlation test, t test The test results show that the views of the three main groups involved in the project implementation process (the Investor, the Consultant and the

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Construction Contractor) on the factors affecting the effective construction of diaphragm walls,retaining walls in construction projects have significant correlations with each other

SNA, it is possible to determine the level of impact between the factors

on the effective construction of the underground stage of high- rise buildings From the aforementioned results, project participants should pay close attention to the factors identified in this study to minimize the risk of the unexpected damages the quality of the underground stage of high- rise buildings

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Bҧng 4.9 Thӕng kê vӅ thӡLJLDQÿLvào hoҥWÿӝng cӫa các dӵ án

Bҧng 4.10 Chi phí bҧo trì JLDLÿRҥn ngҫm cӫa nhà cao tҫng

Bҧng 4.11 MӭFÿӝ hӛ trӧ cӫa Chӫ ÿҫXWѭ, TѭYҩn trong các dӵ án

Bҧng 4.12 QuyӃt tâm cӫa Nhà thҫu trong các dӵ án

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Bҧng 4.20 Bҧng xӃp hҥng trӏ trung bình cӫa các biӃn quan sát theo Nhóm TѭYҩn

xây dӵng

Bҧng 4.21 Bҧng xӃp hҥng trӏ trung bình cӫa các biӃn quan sát theo Nhóm Nhà thҫu

xây dӵng

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Bҧng 4.23 Bҧng so sánh xӃp hҥng trӏ trung bình cӫa các biӃn quan sát theo các

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vҩQÿӅ nҧy sinh trong dӵ án

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ro vӅ nhӳng vҩQÿӅ nҧy sinh trong dӵ án

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rӫi ro vӅ nhӳng vҩQÿӅ nҧy sinh trong dӵ án

Bҧng 5.8 Nhӳng rӫi ro cӫa mҥQJOѭӟi (SNA) sau khi loҥi bӓ các rӫi ro và

liên kӃt quan trӑng

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ro theo mҥQJOѭӟi (SNA)

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Ratchamongkhon Line, Bangkok

N M Trӵc,

2011

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Z Shimin et

al., 2013

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underground diaphragm wall

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Barriers of low permeability to water ± technical solutions

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LuұQYăQ7KҥFVƭ*9+'763Kҥm Thanh Hҧi & TS Ĉӛ TiӃn Sӻ

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[1]: N Thasnanipan et al., 2000; [2]: X Liu, 2003; [3]: W W Ng Charles et al., 2003; [4]: C Y Ou et al., 2006; [5]: S

Parashar, 2007; [6]: S Leung et al., 2008; [7]: N M 7UӵF>@Z Shimin et al., 2013; [9]: Z Shimin et al., 2013; [10]: L

H 9LӋW>@E 1LHGHUOHLWKLQJHUHWDO>@Ĉ L M 7K{QJ>@'DOHQ %RVFK>@Ĉ V &KLӃQ

2016; [15]: T D 7ҩQ>@9 T H Giang, 2017; [17]: N K L 7UѭӡQJ>@3 M 7KѭѫQJ>@3 V

Phát, 2018; [20]: Houhou et al., 2019; [21]: Mironov et al., 2020; [22]: B 3RODĔVND 5\EDN

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2.7 Tóm tҳWFKѭѫQJ

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